*{
    margin: 0;
    padding: 0;
}
.super{
    margin: 2% 10%;
    background-color: rgb(255, 255, 255);
}
.larger{
    width:100%;
    height: 350px;
    background-color: #3b83f631;
    border-radius: 10px;
}
.larger img{
    width: 380px;
    height: 300px;
    float: left;
    margin-right: 30px;
    margin-left: 10px;
    margin-top: 18px;
}
.larger h1{
    margin-top: 10px;
    margin-top: 5%;
}
.xiaoanniu{
    width: 170px;
    height: 32px;
    float: left;
    background-color: #3b83f6;
    border-radius: 10px;
    text-align: center;
    padding-top: 5px;
    margin-top: 10px;
    margin-left: 1%;
}
.xiaoanniu a{
    text-decoration: none;
    font-size: 20px;
    font-weight: 600;
    color: aliceblue;
}
/* 课程概述 */
.xiangqing{
   background-color: #3b83f62a;
   padding: 20px 20px;
   border-radius: 10px;
}
.xiangqing span{
    color: rgb(0, 0, 0);
   border-bottom: 2px solid  #3b82f6;
   padding-bottom: 5px;
   border-radius: 10px;
}
.zi{
    background-color: rgb(255, 255, 255);
    height: 150px;
    border-radius: 10px;
    text-indent: 40px;
    padding-top: 40px;
    padding-left: 50px;
    padding-right: 50px;
}
.gaishu{
    border-radius: 10px;
    text-indent: 40px;
    background-color: #3b82f6;
}
/* 课程评价 */
.pingjia{
    background-color: #3b83f62c;
    padding: 20px 20px;
    border-radius: 10px;
}
.pingjia span{
    color: rgb(0, 0, 0);
    border-bottom: 2px solid  #3b82f6;
    padding-bottom: 5px;
    border-radius: 10px;
}
.idea{
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    border-radius: 10px;
    padding: 5px 5px;
}
.renwu{
    height: 50px;
    margin-bottom: 5px;
}
.renwu img{
    border-radius: 10px;
    width: 50px;
    height: 50px;
    float: left;
    margin-right: 15px;
}
.renwu p{
    font-size: 10px;
    margin-top: 5px;
    color: rgb(0, 0, 0);
}
@media (max-width: 768px) {
    .larger{
        height: 280px;
    }
    .larger img{
        width: 200px;
        height: 200px;
        margin-left: -10%;
        margin-top: 10%;
    }
    .larger h1{
        width: 500px;
        font-size: 25px;
    }
    .larger p{
        font-size: 15px;
    }
    .larger .p1{
        font-size: 15px;
        margin-top: -5%;
    }
    .xiaoanniu{
        margin-top: -4%;
        margin-left: 60%;
        width: 100px;
    }
    .xiaoanniu a{
        font-size: 15px;
    }
    .xiangqing{
        height: 580px;
    }
    .xiangqing .zi{
        height: 480px;
    }


}